This topic contains a solution. Click here to go to the answer

Author Question: The canals of Mars were eventually found to be crustal faults. Indicate whether the statement is ... (Read 72 times)

D2AR0N

  • Hero Member
  • *****
  • Posts: 561
The canals of Mars were eventually found to be crustal faults.
 
  Indicate whether the statement is true or false

Question 2

How do astronomers know that the nuclei of some galaxies are active?
 
  a. Their nuclei are much brighter than expected.
  b. The orbits of stars near the center of the galactic nuclei are faster than expected.
  c. The luminosity of the nuclei varies over time.
  d. The color of the nuclei is different than expected.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

F

Answer to Question 2

C





 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

For a complete list of videos, visit our video library